Foss Recycling has locations in Jacksonville and Havelock and have a pretty good inventory for U-Pull-It cars. Their website is Foss Recycling
Another good U-Pull-It yard is located off of Hwy 24 in Jacksonville on Rocky Run Road. This one is called Eastside Salvage Eastside Auto Salvage
and has a really good selection, has great prices but can get busy really fast on the weekends. So, get there early. Eastside does NOT allow any vehicles in their yards, therefore you will have to hump your tools to and from the U-Pull-It car that you are pulling parts on.